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Leases (Tables) | 9 Months Ended
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Sep. 30, 2020
Leases |
Schedule of information pertaining to operating leases | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended | ​ | ​
(Dollars in thousands) | ​ | September 30, | ​ | September 30, |  | ​
​ |  | 2020 | 2019 |  | 2020 | 2019 |  |
Lease Cost Components: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Amortization of ROU assets - finance leases | ​ | $ | 125 | ​ | $ | — | ​ | $ | 172 | ​ | $ | — | ​ | ​
Interest on lease liabilities - finance leases | ​ | ​ | 19 | ​ | ​ | — | ​ | ​ | 24 | ​ | ​ | — | ​ | ​
Operating lease cost (cost resulting from lease payments) | ​ | ​ | 4,557 | ​ | ​ | 2,241 | ​ | ​ | 9,873 | ​ | ​ | 6,560 | ​ | ​
Short-term lease cost | ​ | ​ | 253 | ​ | ​ | 120 | ​ | ​ | 450 | ​ | ​ | 396 | ​ | ​
Variable lease cost (cost excluded from lease payments) | ​ |  | 370 | ​ |  | 151 | ​ |  | 739 | ​ |  | 337 | ​ | ​
Total lease cost | ​ | $ | 5,324 | ​ | $ | 2,512 | ​ | $ | 11,258 | ​ | $ | 7,293 | ​ | ​
Supplemental Cash Flow and Other Information Related to Leases: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Finance lease - operating cash flows | ​ | $ | 19 | ​ | $ | — | ​ | $ | 27 | ​ | $ | — | ​ | ​
Finance lease - financing cash flows | ​ | ​ | 109 | ​ | ​ | — | ​ | ​ | 150 | ​ | ​ | — | ​ | ​
Operating lease - operating cash flows (fixed payments) | ​ | ​ | 4,307 | ​ | ​ | 1,996 | ​ | ​ | 8,763 | ​ | ​ | 5,804 | ​ | ​
Operating lease - operating cash flows (net change asset/liability) | ​ | ​ | (3,290) | ​ | ​ | 248 | ​ | ​ | (5,968) | ​ | ​ | 504 | ​ | ​
New ROU assets - operating leases | ​ | ​ | 1,475 | ​ | ​ | 5,289 | ​ | ​ | 41,211 | ​ | ​ | 10,239 | ​ | ​
New ROU assets - finance leases | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 5,374 | ​ | ​ | — | ​ | ​
Weighted - average remaining lease term (years) - finance leases | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 7.66 | ​ | ​ | — | ​ | ​
Weighted - average remaining lease term (years) - operating leases | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | 11.6 | ​ |  | 14.30 | ​ | ​
Weighted - average discount rate - finance leases | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 1.7% | ​ | ​ | — | ​ | ​
Weighted - average discount rate - operating leases | ​ |  | ​ | ​ |  | ​ | ​ |  | 3.3% | ​ |  | 3.9% | ​ | ​
​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ | ​
Operating lease payments due: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
2020 (excluding the nine months ended September 30, 2020) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | $ | 4,257 | ​ |  | ​ | ​ | ​
2021 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 16,381 | ​ |  | ​ | ​ | ​
2022 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 15,054 | ​ |  | ​ | ​ | ​
2023 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 14,041 | ​ |  | ​ | ​ | ​
2024 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 12,789 | ​ | ​ | ​ | ​ | ​
Thereafter | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 92,814 | ​ |  | ​ | ​ | ​
Total undiscounted cash flows | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 155,336 | ​ |  | ​ | ​ | ​
Discount on cash flows | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | (29,278) | ​ | ​ | ​ | ​ | ​
Total operating lease liabilities | ​ | ​ | ​ | ​ | ​ | ​ | ​ | $ | 126,058 | ​ |  | ​ | ​ | ​

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 + Details
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- References No definition available. + Details
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